1/*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)pwd.h 8.2 (Berkeley) 1/21/94 35 * $FreeBSD$ 36 */ 37 38#ifndef _PWD_H_ 39#define _PWD_H_ 40 41#include <sys/cdefs.h> 42#include <sys/_types.h> 43 44#ifndef _GID_T_DECLARED 45typedef __gid_t gid_t; 46#define _GID_T_DECLARED 47#endif 48 49#ifndef _TIME_T_DECLARED 50typedef __time_t time_t; 51#define _TIME_T_DECLARED 52#endif 53 54#ifndef _UID_T_DECLARED 55typedef __uid_t uid_t; 56#define _UID_T_DECLARED 57#endif 58 59#ifndef _SIZE_T_DECLARED 60typedef __size_t size_t; 61#define _SIZE_T_DECLARED 62#endif 63 64#define _PATH_PWD "/etc" 65#define _PATH_PASSWD "/etc/passwd" 66#define _PASSWD "passwd" 67#define _PATH_MASTERPASSWD "/etc/master.passwd" 68#define _MASTERPASSWD "master.passwd" 69 70#define _PATH_MP_DB "/etc/pwd.db" 71#define _MP_DB "pwd.db" 72#define _PATH_SMP_DB "/etc/spwd.db" 73#define _SMP_DB "spwd.db" 74 75#define _PATH_PWD_MKDB "/usr/sbin/pwd_mkdb" 76 77/* Historically, the keys in _PATH_MP_DB/_PATH_SMP_DB had the format 78 * `1 octet tag | key', where the tag is one of the _PW_KEY* values 79 * listed below. These values happen to be ASCII digits. Starting 80 * with FreeBSD 5.1, the tag is now still a single octet, but the 81 * upper 4 bits are interpreted as a version. Pre-FreeBSD 5.1 format 82 * entries are version `3' -- this conveniently results in the same 83 * key values as before. The new, architecture-independent entries 84 * are version `4'. 85 * As it happens, some applications read the database directly. 86 * (Bad app, no cookie!) Thus, we leave the _PW_KEY* symbols at their 87 * old pre-FreeBSD 5.1 values so these apps still work. Consequently 88 * we have to muck around a bit more to get the correct, versioned 89 * tag, and that is what the _PW_VERSIONED macro is about. 90 */ 91 92#define _PW_VERSION_MASK '\xF0' 93#define _PW_VERSIONED(x, v) ((unsigned char)(((x) & 0xCF) | ((v)<<4))) 94 95#define _PW_KEYBYNAME '\x31' /* stored by name */ 96#define _PW_KEYBYNUM '\x32' /* stored by entry in the "file" */ 97#define _PW_KEYBYUID '\x33' /* stored by uid */ 98#define _PW_KEYYPENABLED '\x34' /* YP is enabled */ 99#define _PW_KEYYPBYNUM '\x35' /* special +@netgroup entries */ 100 101/* The database also contains a key to indicate the format version of 102 * the entries therein. There may be other, older versioned entries 103 * as well. 104 */ 105#define _PWD_VERSION_KEY "\xFF" "VERSION" 106#define _PWD_CURRENT_VERSION '\x04' 107 108#define _PASSWORD_EFMT1 '_' /* extended encryption format */ 109 110#define _PASSWORD_LEN 128 /* max length, not counting NULL */ 111 112struct passwd { 113 char *pw_name; /* user name */ 114 char *pw_passwd; /* encrypted password */ 115 uid_t pw_uid; /* user uid */ 116 gid_t pw_gid; /* user gid */ 117 time_t pw_change; /* password change time */ 118 char *pw_class; /* user access class */ 119 char *pw_gecos; /* Honeywell login info */ 120 char *pw_dir; /* home directory */ 121 char *pw_shell; /* default shell */ 122 time_t pw_expire; /* account expiration */ 123 int pw_fields; /* internal: fields filled in */ 124}; 125 126/* Mapping from fields to bits for pw_fields. */ 127#define _PWF(x) (1 << x) 128#define _PWF_NAME _PWF(0) 129#define _PWF_PASSWD _PWF(1) 130#define _PWF_UID _PWF(2) 131#define _PWF_GID _PWF(3) 132#define _PWF_CHANGE _PWF(4) 133#define _PWF_CLASS _PWF(5) 134#define _PWF_GECOS _PWF(6) 135#define _PWF_DIR _PWF(7) 136#define _PWF_SHELL _PWF(8) 137#define _PWF_EXPIRE _PWF(9) 138 139/* XXX These flags are bogus. With nsswitch, there are many 140 * possible sources and they cannot be represented in a small integer. 141 */ 142#define _PWF_SOURCE 0x3000 143#define _PWF_FILES 0x1000 144#define _PWF_NIS 0x2000 145#define _PWF_HESIOD 0x3000 146 147__BEGIN_DECLS 148struct passwd *getpwnam(const char *); 149struct passwd *getpwuid(uid_t); 150 151#if __XSI_VISIBLE >= 500 152void endpwent(void); 153struct passwd *getpwent(void); 154void setpwent(void); 155#endif 156 157#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 500 158int getpwnam_r(const char *, struct passwd *, char *, size_t, 159 struct passwd **); 160int getpwuid_r(uid_t, struct passwd *, char *, size_t, 161 struct passwd **); 162#endif 163 164#if __BSD_VISIBLE 165int getpwent_r(struct passwd *, char *, size_t, struct passwd **); 166int setpassent(int); 167const char *user_from_uid(uid_t, int); 168int uid_from_user(const char *, uid_t *); 169int pwcache_userdb(int (*)(int), void (*)(void), 170 struct passwd * (*)(const char *), 171 struct passwd * (*)(uid_t)); 172#endif 173__END_DECLS 174 175#endif /* !_PWD_H_ */ 176